MERCUSYS MR90X Dual Band 8 Stream Wi-Fi 6 Router User Guide

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Note: If you want to hang it on the wall, make sure it doesn't shake or fade,  

because if the device is hit, it may be damaged and it won't work properly.  

roubleshooting: Unstable connection on the  

Mercusys router  

This Article Applies to:  

AC12 AC12G MW305R MR90X MR80X MR70X MR50G  

There are multiple factors that cause your internet connection to randomly  

disconnect. Please read possible solutions below which may fix an internet  

unstable.  

Case One: Both the wired connection and wireless connection are unstable  

For possible solutions, please see the following:  

1. Disconnecting the Mercusys router from the modem (the piece of  

hardware supplied by your Internet company), then only connect your  

computer to the modem directly. If your computer cannot get a stable  

connection from your modem, it indicates the issue is on your modem  

or Internet Service.  

2. If there is no problem with the modem, please try the following tips:  

• Check that the Ethernet cable is connected securely to the WAN port  

on your router and that the cable is not loose or attached poorly. To  

check if there is any problem with the Ethernet cable, replace it with  

another Ethernet cable and see if the issue persists.  

• Try to change DNS servers on your router.  

Please log into the web management page, then please click the  

Advanced>>Network>>Internet.  

Then click the Advanced Setting, please change the DNS Address to  

the “Use the following DNS Address”, then please change the Primary  

DNS:8.8.8.8; Secondary DNS:8.8.4.4.  

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General	Details
Name	MERCUSYS MR90X Dual Band 8 Stream Wi-Fi 6 Router User Guide
Make	MERCUSYS
Language	English
Filetype	PDF (Download)
File size	0.9 MB

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